Ice pack for a cooler



FIG. 1 is a perspective view of an ice pack for a cooler, showing my new design;

FIG. 2 is a left elevational view thereof;

FIG. 3 is a right elevational view thereof;

FIG. 4 is a front elevational view thereof, the rear elevational view being a mirror image thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for an ice pack for a cooler, as shown and described. 